Pulley



FIG. 1 is a front perspective view of a pulley showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof, a left side view being identical to right side view;

FIG. 6 is a plan view thereof, a bottom view being identical to plan view; and,

FIG. 7 is a cross-sectional view thereof taken along line 7-7 in FIG. 3. 

The ornamental design for a pulley, as shown and described. 